Home / 195,319.68-269,442.24-123,578.88

Finding the Fourth Proportional to 195,319.68, 269,442.24 and 123,578.88

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Solution

The fourth proportional to 195,319.68, 269,442.24 and 123,578.88 is: 170,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,319.68 : 269,442.24 = 123,578.88 : x
  2. Step 2: Convert to fraction form
    195,319.68/269,442.24 = 123,578.88/x
  3. Step 3: Cross multiply
    195,319.68x = 269,442.24 × 123,578.88
  4. Step 4: Simplify right side
    195,319.68x = 33,297,370,243.89
  5. Step 5: Solve for x
    x = 33,297,370,243.89/195,319.68
  6. Step 6: Final answer
    x = 170,476.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.